
public class Circle3 implements GeometricObject {
	protected double radius=1.0;
	public Circle3(){
		
	}
	public Circle3(double radius) {
		this.radius = radius;
	}

	public double getPerimeter(){
		
		return 2*Math.PI*radius;
	}

	public double getArea(){
		
		return Math.PI*radius*radius;
	}

}
